基础运动诱发的转子系统非线性动力学建模与分析

来源 :第九届全国动力学与控制青年学者研讨会 | 被引量 : 0次 | 上传用户:qt393761474
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  传统转子动力学通常认为基础是固定的。但是,对于机动飞行的飞机、行进中的船舶和汽车、地震冲击作用下的燃气轮机、柔性支承下的风力发电机组等,这些机械装备的转子系统将具有运动的基础。基础运动不仅产生多频外载荷激励,而且也使得转子系统出现附加刚度、陀螺和阻尼等时变内部激励。由基础运动所引起的多频内、外激励将对高速转子系统的动态特性及其工作可靠性产生重要影响。在国家自然科学基金面上项目的支持下,汇报人已针对该问题开展了一系列的研究工作。本次将从分析模型以及系统稳态振动响应的时域、频域和时频特性等方面,汇报相关研究成果。
其他文献
A novel ruthenium-catalyzed dehydrogenative β-alkylation of 1,2,3,4-tetrahydroquinolines with aldehydes has been demonstrated,1 which enables assembling a wide
会议
Through a ruthenium-catalyzed selective hydrogen transfer coupling reaction,a novel straightforward synthesis of 1,2,3,4-tetrahydronaphthyridines(THNADs) from o
会议
Recent studies have revealed that heterocycles containing P-substituents show unique bioactivities and chemical properties,which lead them to a broad applicatio
会议
Pyrrole skeleton represents an interesting class of nitrogen-containing heterocycles,which frequently occurs in naturally and synthetically bioactive products a
会议
吡咯并吡咯二酮(DPP)类化合物是一类强荧光的生色团,在一定的激发波长照射下可以发射出明亮的红色荧光.由于其分子结构小、易修饰、荧光量子效率高、发光性能优异、光、热、
会议
School of Chemistry and Chemical Engineering,South China University of Technology,Guangzhou,510640 The application of allylic alcohols,which are abundant in nat
会议
Homogeneous Pd-mediated catalysts have been extensively applied in petrochemical industry,fine chemistry,biological catalysis and other fields based on their go
会议
tung oil is an important strategic materials and reproducible biomass resources.However,the major application is still in the field of traditionally thermal cur
会议
The [8+2]-cycloaddition reaction can provide a straight-forward approach for the synthesis of 10-membered ring compounds.In this study,a formal [8+2] cycloaddit
会议
  In the present paper,the delayed feedback control is applied to suppress the amplitude of a steel beam.The approximate analytical solutions are obtained whe
会议